Vybrid initialization sequence

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Vybrid initialization sequence

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eishishibusawa
Contributor III

Dear Sir

 

I would like to ask about the initialization sequence of Vybrid.

 

Customer is executing with the following steps.

1.Clock initializaion;

2.UART initialization;

3.LPDDR iomux initialization;

4.LPDDR initialization (LPDDR controller and RAM).

 

Q1.

Is there a problem with the above order?

 

Best Regards,

Eishi SHIBUSAWA

 

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eishishibusawa
Contributor III

Dear NXP support member

 

Please reply this question.

 

Best Regards,
Eishi SHIBUSAWA

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Yuri
NXP Employee
NXP Employee

Hello,

   Your initialization sequence is correct, but all initialization codes

should be located in and executed from  internal memory OCRAM.

Because of ECC  the entire OCRAM memory should be first
written during system startup.


Have a great day,
Yuri

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